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InGaAs APDs with improved photon counting characteristics were designed and fabricated and their performance improvements were observed. Following the results, a 4times4 individually addressable APD array was designed, fabricated, and results are reported
We present stable polarization of a long-wavelength VCSEL under DC operation and high-speed modulation. It was fabricated by wafer bonding of a (311)B InP-based active region to (100) GaAs-based DBRs.
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